De Bethune unveils the DB28 Tourbillon, enhanced with exquisite diamonds. The rose gold case is set with 55 carefully placed diamonds, adding a touch of brilliance. Attention to detail extends to the crown, which is adorned with a sparkling rose-cut diamond, while the buckle is beautifully embellished with 146 round diamonds, further elevating this masterpiece of craftsmanship and elegance.
Functions
Hours, Minutes, 30’’ Indicator via Ultra-light De Bethune Tourbillon Cage at 6 o’clock, Power Reserve situated on Case Back

Case
Material
Mirror polished rose gold case set with 55 baguette-cut (3.09 cts)
Diameter
42.6 mm
Thickness
9,20 mm
Lugs
Grade 5 titanium floating set with 184 baguette-cut and 112 round-cut diamonds (1.89 cts) – De Bethune Patent (2006)
Crystal
Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating
Case back
Screwed down case back in mirror- polished grade 5 titanium opens with a linear power reserve
Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating
Calibre DB2019
TYPE
Mechanical manual-winding calibre
POWER RESERVE
5 days, ensured by a self-regulating twin barrel, De Bethune Innovation (2004)
Technical features
- Titanium balance wheel with white gold inserts, optimised for temperature differences and air penetration , De Bethune Patent (2016)
- “De Bethune” balance-spring with flat terminal curve, De Bethune Patent (2006)
- Silicon escape wheel
- Ultra-light De Bethune 30’’ tourbillon in silicon and titanium, De Bethune Innovation (2008)


Display
DIAL
- De Bethune star-studded sky in blued and polished titanium with hand-fitted white gold and diamonds pins depicting the stars
- 281 Diamond-set (0.56 cts) titanium hours ring
- Polished rose gold hours indicators
- Ultra-light De Bethune 30’’ tourbillon in titanium at 6 o’clock – De Bethune Innovation (2008)
Hands
Rose Gold




Specifications
Watch
Case
Material
Mirror polished rose gold case set with 55 baguette-cut (3.09 cts)
Diameter
42.6 mm
Thickness
9,2 mm
Lugs
Grade 5 titanium floating set with 184 baguette-cut and 112 round-cut diamonds (1.89 cts) – De Bethune Patent (2006)
Crystal
Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating
Case back
Screwed down case back in mirror- polished grade 5 titanium opens with a linear power reserve
Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating
Display
DIAL
- De Bethune star-studded sky in blued and polished titanium with hand-fitted white gold and diamonds pins depicting the stars
- 281 Diamond-set (0.56 cts) titanium hours ring
- Polished rose gold hours indicators
- Ultra-light De Bethune 30’’ tourbillon in titanium at 6 o’clock – De Bethune Innovation (2008)
Hands
Rose Gold
Calibre
TYPE
Mechanical manual-winding calibre
POWER RESERVE
5 days, ensured by a self-regulating twin barrel, De Bethune Innovation (2004)
Number of parts
355
Jewelling
32 jewels
Diameter
30 mm
Frequency
28’800 vibrations per hour
Adornment
- Hand- polished steel parts
- Hand-crafted finishing and decoration
TECHNICAL FEATURES
- Titanium balance wheel with white gold inserts, optimised for temperature differences and air penetration , De Bethune Patent (2016)
- “De Bethune” balance-spring with flat terminal curve, De Bethune Patent (2006)
- Silicon escape wheel
- Ultra-light De Bethune 30’’ tourbillon in silicon and titanium De Bethune Innovation (2008)
Resources
Technical description
Similar models

Contact
For any questions, our
team is at your disposal
We are pleased to welcome you to our lounges, thoughtfully designed to immerse you in the heart of the De Bethune universe. More than just spaces for exhibition, each visit offers an invitation to explore and connect. Take the time to admire our collections, engage in conversations about watchmaking, and enjoy a moment of refinement, where every detail is crafted to inspire your passion and enhance your experience.